The invention provides a slitting and conveying device for a laminating machine. The slitting and conveying device comprises a rack, a first conveyor belt mechanism, a second conveyor belt mechanism, a slitting device, a slitting roller assembly, a cooling circulating device, a discharging tank, a lifting platform device and a servo control box. The first conveyor belt mechanism and the second conveyor belt mechanism are arranged on the rack. The slitting device is arranged between the first conveyor belt mechanism and the second conveyor belt mechanism. First conveying roller assemblies, an auxiliary pressing roller, a slitting pressing roller, second conveying roller assemblies and a cooling roller assembly are sequentially arranged above the second conveyor belt mechanism in the operating direction. The discharging tank is arranged on one side of the second conveyor belt mechanism. The lifting platform device is arranged in the discharging tank. Shearing is conducted from the two sides by the adoption of the slitting roller assembly, it is guaranteed that laminated notches are flush with each other, a lifting platform is arranged in the discharging tank, the vertical movement of storage trays is controlled according to the needs, it is guaranteed that laminated plates on conveyor belts smoothly fall into the storage trays, the storage trays are transferred through a hand-operated fork lift, and the operation is simple.